Home / 18,726.14-28,092.09-7,040.18

Finding the Fourth Proportional to 18,726.14, 28,092.09 and 7,040.18

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Solution

The fourth proportional to 18,726.14, 28,092.09 and 7,040.18 is: 10,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.14 : 28,092.09 = 7,040.18 : x
  2. Step 2: Convert to fraction form
    18,726.14/28,092.09 = 7,040.18/x
  3. Step 3: Cross multiply
    18,726.14x = 28,092.09 × 7,040.18
  4. Step 4: Simplify right side
    18,726.14x = 197,773,370.18
  5. Step 5: Solve for x
    x = 197,773,370.18/18,726.14
  6. Step 6: Final answer
    x = 10,561.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.